-er b-u bbb bbd bbe bbn bbo bbr bbu bdb bdd bde bdj bdo bdr bdu be- beb bed bee ben beo ber beu bjd bjj bjn bjr bju bnb bnd bne bnj bnn bno bnr bnu bob bod boe boj bon boo bor bou brb brd bre brj brn bro brr bru bub bud bue buj bun buo bur buu dbb dbd dbe dbn dbo dbr dbu ddb ddd dde ddn ddo ddr ddu de- deb ded dee dej den deo der deu dj- djb djd dje djo dnb dnd dne dnj dnn dno dnr dob dod doe doj don doo dor dou drb drd dre drj drn dro drr dru dub dud due dun duo dur ebb ebd ebe ebj ebn ebo ebr ebu ed- edb edd ede edj edn edo edr edu eeb eed eee een eeo eer ejd ejo eju en- enb end ene enn eno enr enu eo- eob eod eoe eon eoo eor eou erb erd ere ern ero err eru eu- eub eud eue euj eun eur j-d jbj jbo jbr jbu jdb jde jdn jdo jdr jeb jed jee jej jen jeo jer jeu jjb jjj jjr jju jnd jne jnj jnn jno jnr jnu job jod joe joj jon joo jor jou jrb jrn jro jrr jub jud jue jun juo jur nbb nbd nbe nbn nbo nbr nbu ndb ndd nde ndn ndo ndr ndu ne- neb ned nee nej nen neo ner neu nje njn nju nnb nne nnn nno nnu no- nob nod noe noj non noo nor nou nrb nrd nre nrj nrn nro nrr nru nub nud nue nuj nun nuo nur nuu ob- obb obd obe obj obn obo obr obu odb odd ode odn odo odr odu oeb oed oee oen oeo oer ojb ojd oje ojo oju on- onb ond one onj onn ono onr onu oo- oob ood oon ooo oor or- orb ord ore orn oro orr oru ou- oud oue oun ouo our rbb rbd rbe rbn rbo rbr rbu rdb rdd rde rdj rdn rdo rdr rdu re- reb red ree ren reo rer reu rjr rnb rnd rnn rno rnr rnu rob rod roe roj ron roo ror rou rrb rrd rrn rrr rru rub rud rue run ruo rur ruu ubb ube ubn ubo ubr ubu udb udd ude udj udn udo udr udu ueb ued uee uen uer ujo un- unb und une unn uno unr unu uob uod uoe uoj uon uoo uor ur- urb urd ure urn uro urr uru uue uun uur uuu